Convert a .png file to a GeoTIFF while knowing the boundings The 2019 Stack Overflow Developer Survey Results Are InConvert PNG to GeoTiff using GDALImageMagick's convert program changes PNG file format so that color/alpha info doesn't survive GDALRead Elevation from 1/3 Arc-Second NED .tif or .imgConvert PNG to GeoTiff using GDALgdal2tiles tile origin differences using Windows/OSGeo4W and Linux/GDALMaking a shapefile or kml tiles from a file that says it has no GCPLeaflet displaying oddly curved TMS tilesSplitting and converting a large tif files into multiple .hgt filesconvert tiff to UInt16 PNG turns blackconvert png with alpha channel to GeoTiffConvert Sentinel GeoTIFF file to JPEG image
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Convert a .png file to a GeoTIFF while knowing the boundings
The 2019 Stack Overflow Developer Survey Results Are InConvert PNG to GeoTiff using GDALImageMagick's convert program changes PNG file format so that color/alpha info doesn't survive GDALRead Elevation from 1/3 Arc-Second NED .tif or .imgConvert PNG to GeoTiff using GDALgdal2tiles tile origin differences using Windows/OSGeo4W and Linux/GDALMaking a shapefile or kml tiles from a file that says it has no GCPLeaflet displaying oddly curved TMS tilesSplitting and converting a large tif files into multiple .hgt filesconvert tiff to UInt16 PNG turns blackconvert png with alpha channel to GeoTiffConvert Sentinel GeoTIFF file to JPEG image
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
Disclaimer: I've already found this link Convert PNG to GeoTiff using GDAL - but it was of no help.
Actually I've got a .png file of a hand-drawn map (I also got it in the .svg format in case this may help).
I currently know the exact boundings of this file:
ne: lat: 48.506161, lng: -1.714582 ,
sw: lat: 48.477861, lng: -1.742703
It's located in the north of France.
So here's the command I tried so far with gdal_translate:
gdal_translate -of GTiff -a_srs '+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs'
-a_ullr 48.506161 -1.714582 48.477861 -1.742703 myfile.png output.tif
My final goal is to serve this file under a tiles system (x/y/z.png) for Leaflet or OpenLayers.
So I used gdal2tiles to convert the output.tif file:
sudo gdal2tiles.py -p mercator output.tif result/
But my problem is that the generated tiles are geolocated in the north of Madagascar instead of France. Any clue on this?
gdal geotiff-tiff convert gdal-translate gdal2tiles
edited Apr 5 at 17:14
Vince
14.8k32849
asked Apr 5 at 14:25
F3L1X79F3L1X79
1329
|
show 1 more comment
Disclaimer: I've already found this link Convert PNG to GeoTiff using GDAL - but it was of no help.
Actually I've got a .png file of a hand-drawn map (I also got it in the .svg format in case this may help).
I currently know the exact boundings of this file:
ne: lat: 48.506161, lng: -1.714582 ,
sw: lat: 48.477861, lng: -1.742703
It's located in the north of France.
So here's the command I tried so far with gdal_translate:
gdal_translate -of GTiff -a_srs '+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs'
-a_ullr 48.506161 -1.714582 48.477861 -1.742703 myfile.png output.tif
My final goal is to serve this file under a tiles system (x/y/z.png) for Leaflet or OpenLayers.
So I used gdal2tiles to convert the output.tif file:
sudo gdal2tiles.py -p mercator output.tif result/
But my problem is that the generated tiles are geolocated in the north of Madagascar instead of France. Any clue on this?
gdal geotiff-tiff convert gdal-translate gdal2tiles
edited Apr 5 at 17:14
Vince
14.8k32849
asked Apr 5 at 14:25
F3L1X79F3L1X79
1329
1
your axes are the wrong way round - try to change the -a_srs to epsg:4326
– Ian Turton♦
Apr 5 at 14:35
Thank you for helping me, Ian! If the new command you proposed is : gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr 48.506161 -1.714582 48.477861 -1.742703 myfile.png output.tif, then I got exactly the same result - or is there anything else I must do?
– F3L1X79
Apr 5 at 14:45
1
I'd try dal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
– Ian Turton♦
Apr 5 at 14:55
Amazing, thank you so much. Too bad, I was so close for the good result... Do you think I should delete the question?
– F3L1X79
Apr 5 at 15:01
1
This time the source data is explicit and defines the meaning of coordinatesne: lat: 48.506161, lng: -1.714582but user should also know that GDAL is always taking coordinates in order longitude-latitude or easting-northing.
– user30184
Apr 5 at 16:57
|
show 1 more comment
Disclaimer: I've already found this link Convert PNG to GeoTiff using GDAL - but it was of no help.
Actually I've got a .png file of a hand-drawn map (I also got it in the .svg format in case this may help).
I currently know the exact boundings of this file:
ne: lat: 48.506161, lng: -1.714582 ,
sw: lat: 48.477861, lng: -1.742703
It's located in the north of France.
So here's the command I tried so far with gdal_translate:
gdal_translate -of GTiff -a_srs '+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs'
-a_ullr 48.506161 -1.714582 48.477861 -1.742703 myfile.png output.tif
My final goal is to serve this file under a tiles system (x/y/z.png) for Leaflet or OpenLayers.
So I used gdal2tiles to convert the output.tif file:
sudo gdal2tiles.py -p mercator output.tif result/
But my problem is that the generated tiles are geolocated in the north of Madagascar instead of France. Any clue on this?
gdal geotiff-tiff convert gdal-translate gdal2tiles
edited Apr 5 at 17:14
Vince
14.8k32849
asked Apr 5 at 14:25
F3L1X79F3L1X79
1329
Disclaimer: I've already found this link Convert PNG to GeoTiff using GDAL - but it was of no help.
Actually I've got a .png file of a hand-drawn map (I also got it in the .svg format in case this may help).
I currently know the exact boundings of this file:
ne: lat: 48.506161, lng: -1.714582 ,
sw: lat: 48.477861, lng: -1.742703
It's located in the north of France.
So here's the command I tried so far with gdal_translate:
gdal_translate -of GTiff -a_srs '+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs'
-a_ullr 48.506161 -1.714582 48.477861 -1.742703 myfile.png output.tif
My final goal is to serve this file under a tiles system (x/y/z.png) for Leaflet or OpenLayers.
So I used gdal2tiles to convert the output.tif file:
sudo gdal2tiles.py -p mercator output.tif result/
But my problem is that the generated tiles are geolocated in the north of Madagascar instead of France. Any clue on this?
gdal geotiff-tiff convert gdal-translate gdal2tiles
gdal geotiff-tiff convert gdal-translate gdal2tiles
edited Apr 5 at 17:14
Vince
14.8k32849
asked Apr 5 at 14:25
F3L1X79F3L1X79
1329
edited Apr 5 at 17:14
Vince
14.8k32849
asked Apr 5 at 14:25
F3L1X79F3L1X79
1329
edited Apr 5 at 17:14
Vince
14.8k32849
edited Apr 5 at 17:14
Vince
14.8k32849
edited Apr 5 at 17:14
Vince
14.8k32849
14.8k32849
asked Apr 5 at 14:25
F3L1X79F3L1X79
1329
asked Apr 5 at 14:25
F3L1X79F3L1X79
1329
asked Apr 5 at 14:25
F3L1X79F3L1X79
1329
1329
1
your axes are the wrong way round - try to change the -a_srs to epsg:4326
– Ian Turton♦
Apr 5 at 14:35
Thank you for helping me, Ian! If the new command you proposed is : gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr 48.506161 -1.714582 48.477861 -1.742703 myfile.png output.tif, then I got exactly the same result - or is there anything else I must do?
– F3L1X79
Apr 5 at 14:45
1
I'd try dal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
– Ian Turton♦
Apr 5 at 14:55
Amazing, thank you so much. Too bad, I was so close for the good result... Do you think I should delete the question?
– F3L1X79
Apr 5 at 15:01
1
This time the source data is explicit and defines the meaning of coordinatesne: lat: 48.506161, lng: -1.714582but user should also know that GDAL is always taking coordinates in order longitude-latitude or easting-northing.
– user30184
Apr 5 at 16:57
|
show 1 more comment
1
your axes are the wrong way round - try to change the -a_srs to epsg:4326
– Ian Turton♦
Apr 5 at 14:35
Thank you for helping me, Ian! If the new command you proposed is : gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr 48.506161 -1.714582 48.477861 -1.742703 myfile.png output.tif, then I got exactly the same result - or is there anything else I must do?
– F3L1X79
Apr 5 at 14:45
1
I'd try dal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
– Ian Turton♦
Apr 5 at 14:55
Amazing, thank you so much. Too bad, I was so close for the good result... Do you think I should delete the question?
– F3L1X79
Apr 5 at 15:01
1
This time the source data is explicit and defines the meaning of coordinatesne: lat: 48.506161, lng: -1.714582but user should also know that GDAL is always taking coordinates in order longitude-latitude or easting-northing.
– user30184
Apr 5 at 16:57
1
1
your axes are the wrong way round - try to change the -a_srs to epsg:4326
– Ian Turton♦
Apr 5 at 14:35
your axes are the wrong way round - try to change the -a_srs to epsg:4326
– Ian Turton♦
Apr 5 at 14:35
Thank you for helping me, Ian! If the new command you proposed is : gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr 48.506161 -1.714582 48.477861 -1.742703 myfile.png output.tif, then I got exactly the same result - or is there anything else I must do?
– F3L1X79
Apr 5 at 14:45
Thank you for helping me, Ian! If the new command you proposed is : gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr 48.506161 -1.714582 48.477861 -1.742703 myfile.png output.tif, then I got exactly the same result - or is there anything else I must do?
– F3L1X79
Apr 5 at 14:45
1
1
I'd try dal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
– Ian Turton♦
Apr 5 at 14:55
I'd try dal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
– Ian Turton♦
Apr 5 at 14:55
Amazing, thank you so much. Too bad, I was so close for the good result... Do you think I should delete the question?
– F3L1X79
Apr 5 at 15:01
Amazing, thank you so much. Too bad, I was so close for the good result... Do you think I should delete the question?
– F3L1X79
Apr 5 at 15:01
1
1
This time the source data is explicit and defines the meaning of coordinates
ne: lat: 48.506161, lng: -1.714582 but user should also know that GDAL is always taking coordinates in order longitude-latitude or easting-northing.– user30184
Apr 5 at 16:57
This time the source data is explicit and defines the meaning of coordinates
ne: lat: 48.506161, lng: -1.714582 but user should also know that GDAL is always taking coordinates in order longitude-latitude or easting-northing.– user30184
Apr 5 at 16:57
|
show 1 more comment
1 Answer
1
active
oldest
votes
The fact that your map appears at Madagascar and not France is the clue here. It means that your axes are swapped (Madagascar is about as far south as France is West). So you need to switch round the order of the coordinates in your bounding box (and I would use the shorter EPSG:4326 instead of the proj4 string).
So your command becomes
gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
answered Apr 5 at 15:27
Ian Turton♦Ian Turton
50.2k548118
add a comment |
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The fact that your map appears at Madagascar and not France is the clue here. It means that your axes are swapped (Madagascar is about as far south as France is West). So you need to switch round the order of the coordinates in your bounding box (and I would use the shorter EPSG:4326 instead of the proj4 string).
So your command becomes
gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
answered Apr 5 at 15:27
Ian Turton♦Ian Turton
50.2k548118
add a comment |
The fact that your map appears at Madagascar and not France is the clue here. It means that your axes are swapped (Madagascar is about as far south as France is West). So you need to switch round the order of the coordinates in your bounding box (and I would use the shorter EPSG:4326 instead of the proj4 string).
So your command becomes
gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
answered Apr 5 at 15:27
Ian Turton♦Ian Turton
50.2k548118
add a comment |
The fact that your map appears at Madagascar and not France is the clue here. It means that your axes are swapped (Madagascar is about as far south as France is West). So you need to switch round the order of the coordinates in your bounding box (and I would use the shorter EPSG:4326 instead of the proj4 string).
So your command becomes
gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
answered Apr 5 at 15:27
Ian Turton♦Ian Turton
50.2k548118
The fact that your map appears at Madagascar and not France is the clue here. It means that your axes are swapped (Madagascar is about as far south as France is West). So you need to switch round the order of the coordinates in your bounding box (and I would use the shorter EPSG:4326 instead of the proj4 string).
So your command becomes
gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
answered Apr 5 at 15:27
Ian Turton♦Ian Turton
50.2k548118
answered Apr 5 at 15:27
Ian Turton♦Ian Turton
50.2k548118
answered Apr 5 at 15:27
Ian Turton♦Ian Turton
50.2k548118
answered Apr 5 at 15:27
Ian Turton♦Ian Turton
50.2k548118
50.2k548118
add a comment |
add a comment |
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1
your axes are the wrong way round - try to change the -a_srs to epsg:4326
– Ian Turton♦
Apr 5 at 14:35
Thank you for helping me, Ian! If the new command you proposed is : gdal_translate -of GTiff -a_srs EPSG:4326 -a_ullr 48.506161 -1.714582 48.477861 -1.742703 myfile.png output.tif, then I got exactly the same result - or is there anything else I must do?
– F3L1X79
Apr 5 at 14:45
1
I'd try dal_translate -of GTiff -a_srs EPSG:4326 -a_ullr -1.714582 48.506161 -1.742703 48.477861 myfile.png output.tif
– Ian Turton♦
Apr 5 at 14:55
Amazing, thank you so much. Too bad, I was so close for the good result... Do you think I should delete the question?
– F3L1X79
Apr 5 at 15:01
1
This time the source data is explicit and defines the meaning of coordinates
ne: lat: 48.506161, lng: -1.714582but user should also know that GDAL is always taking coordinates in order longitude-latitude or easting-northing.– user30184
Apr 5 at 16:57